Lubricator.



H. R. GEER.

LUBRICATOR.'

APPLICATION FILED NOV. 19. I915.

Patented Feb. 1, 1916.

III/l I Hlllil WITNESSES INVENTOH &&0 Q/ I V ATTORNEY 'ing it attached may be provided with a HARRY 12,. ones, or aonivs'rowiv, PENNSYLVANIA.

LUBRICALTOR.

Specification of LettersCPatent.

Patented Feb. El, 1916.

Application filed November 19,1915 Serial at. 62,280.

To all whom it may concern Be it known that I, HARRY R. GEEK, a

citizen of the United dtates, residing in the city of Johnstown, in the county of Cambria and State of Pennsylvania, (whose post-o'lfice address is Johnstown, Pennsylvania,) have invented certain new anduseiul Improvements in Lubricatm's; and I do hereby declare the following to be a full, clear, and exact description oi the invention, such as will enable others skilled in the art to which it appertains to make and use the same.

My invention relates to a lubricatorwhich is autunatic in its action andis especially adapted to lubricate the walls, pistons',rings, valves, etc, of fluid pressure apparatus, and to this end the feed of the lubricating material is controlled by the regularly varying pressures which exist in fluid pressure 211')- paratus when operating; Referring now to the annexed sheet of drawings which forms part of this specification and in which like characters refer to like parts z-Figure 1 is a longitudinal sectional elevation of my lubricator, showto a portion of a fluid pressure apparatus, a steam-chest, or other fluid pressure chest, illustrating the manner of securing the same by the threaded projection fitte din a corresponding internally threaded hole; and Fig. 2' is a cross sectional plan taken on the line IT-TI of Fig. 1.

Referring now to the characters of reference on the drawings: A, is the body or shell portion of my lubricator, B is the in lernally breaded screw cap for same, which gasket G to make a tight fit of these parts, 1) is the container portion of my lubricator adapted to receive lubricating material, such as graphite, float ed mica, talc, or preferably pulverulent material, indicated as L, although I may use other lubricants of a character adapted to flow through the openings F and I.

E is a feed pipe or tube, which near its lower portion within the lubricant container, is provided with a small opening F, forming a communication between the lubricant container and the inner portion of the tube, and within the tube is mounted a reciprocable valve, the stem portion of which is indicated as G, the lower piston-like portion being inclicated as H and provided with a hole I therebricant container D.

through, thereby forming a communication tromthe opening F into the lower part of the feed tube E, which lower part of the feed tube communicates with the interior of the fluid pressure apparatus to be lubricated. The upper portion of the valve is provided with an outwardly projecting flange J, which is adapted to be seated upon the corresponding flange hi of the tube E and thereby close the upper opening from the lubricant container to the interior of the tube E at its upper end. The upper portion of the valve is serew-threaded, as shown, and the flange J is adjustably secured thereon by being screw-threaded thereto andalso secured by the clamp nut O.

M is the downwardly projecting portion of the cover, adapted to contact with and form a stop for the upward movement oi? the valve, the flange J of which contacts with the projection M at the upper limit oiits stroke;

The lower portion N of my lubricator is screw-threaded and adapted to be screwed into a corresponding hole in the apparatus to be lubricated.

Having thus given a description of my apparatus, 1 will now describe its operatlOIlZ TlIG lubricator being in position on the fluid pressure apparatus to be lubricated, the excess of pressure, such as compression or initial pressure within the apparatus forces the valve G upward, thereby closingthe hole F by the opposition of the solid wall of the piston plug H until the upper flange J contacts with the projection M, thereby leaving an open space between the flange K of the feed pipe and the upper portion J of the valve. This allows the initial or high pressure from the apparatus topass through the lower portion of the tubeE, thence through the opening or port I in the lower piston valve H into the upper part of the tube E, thence out of the upper portion of the tube E between the flanges J and K, thereby causing a high pressure within the lu- As the. apparatus recedes in its cycle of movement, the pressure therein is reduced, whereupon the valve G and its attachments move downwardly by gravity or by the reduction of this fluid pressure. The contained pressure, however, within the lubricant container being 'tainer through the v the apparatus. After this is done, the pressure in the apparatus increases, again raishigher than that now within the apparatus, the opening I then communicates with the opening F in the bottom of the feed pipe and, on account of thehigher pressure within the lubricator, lubricant is forced-from the lubricant conopenings F and I into ing the valve G andits attachments and the operation just described is repeated. By this. means a small and adjustable portion of lubricant is admitted into the apparatus at each stroke or charge of pressure, thereby forcinga small, but regular and sulficient supply of lubricant to the interim porthe normal or static tions of the fluid pressure apparatus.

It will be noted that the normal position. of thervalve G and its piston plug is such 7 that'theopening I is adapted to communicate with thefopening F and thence to the interior of the lubricant container. Thus position of the parts is such that a communication exists from the container to. the fluid pressure apparatus. In other words, the normal position of the parts is such that an opening exists from the container to the apparatus to be lubricated. Any increase of pressureduring the cycle of movement, however, closes this opening temporarily while allowing the pressure applied to add to that inside of the container, andafter this is done the openings automatically are made to communieate with each other upon a slight lowering of the pressure, so that a small quantity of lubricant is fed into the apparatus due to the excess of pressure in the lubricant over that then existing in the apparatus.

A particular feature of this construction is that by reason of the fact that the openings F and I normally communicate with each other and with the interior of the apparatus, a very slight difference of pressure, such as exists in slow moving pumps, will sufiice to operate my lubricator in the manner described, and this is not true of apparatus which is not normally open, as such apparatus requires greater differences of pressure for'its successful operation.

While I haveshown and described my invention in considerable detail, I do not wish to be limited to the exact construction speci fied, but may use such substitutions, modi lications or alterations as fall. Within the scope of my invention or as set forth in the claims.

Having thus described my invention,

:Copies of this patent may be obtained for five cents each,

a small portion of the thereon, a feed 'feed pipe also having 1,iee,797

what I claim and desire to secure by Letters Patent is t l. The combination with a fluid pressure apparatus in which the internal pressure varies reeurrently, of a lubricator mounted pipe extending within said lubricator and adapted to communicate with the fluid pressure apparatus aforesaid, said an opening in its side wall, a reciprocable valve mounted in said feed pipe, having at the lower end a piston provided with an opening adapted to normally communicate with the opening in the side wall of the feed pipe, the upper portion of said valve being provided with an outwardly projecting portion adapted to seat upon and close the upper portion of said feed pipe.

2. T he combination with a fluid pressure apparatus in which the pressure varies in cycles, of a lubricator mounted thereon, a feed pipe mounted within said lubricator and adapted to connect with the fluid pressure apparatus, said feed pipe also having an opening in its wall, a reciprocable valve adapted to open and vclose the upper end of said feed pipe and to also open and close the opening in the wall of said ieed pipe, the opening in the wall of the feed pipe normally connecting with the fluidv pressure apparatus, whereby, as the pressure increases, the opening in the wall of the feed pipe is closed and that at the upper portion of said pipe is opened, allowing the pressure to increase within the lubricator, and as the pressure in the fluid pressure apparatus decreases, the opening at the upper end of the feed pipe is automatically closed by said. valve and the opening in the side wall of the feed pipe communicates with the lower opening in said valve and thence to the fluid pressure apparatus.

3. The combination with a fluid pressure apparatus in which the pressure varies in cycles, of a lubrieator mounted thereon, said lubricator having an opening normally communicating with said apparatus, another opening in said lubricator adapted to communicate with the apparatus and to normally be closed, and means actuated by the varying pressure for closing the one opening while opening the other, and vice versa.

In witness whereof I hereunto aflix my signature in the presence of two witnesses.

' HARRY R. GEER.

Witnesses:

OLIVER B. HICKOX, FRED. A. STAHL.

by addressing the Commissioner of Patents,

Washington, D. C.

Ill) 

